Video tutorial available HERE.

In ARTERNAL, you can manage your monthly billings and here's how to do it:

Go to the bottom left corner and select Settings

In the sidebar, select Billing and it will take you to Stripe

In the Stripe page, you can add/edit your credit card information

You can also update the billing information to change the email that receives the invoices

Besides email, you can also access previous invoices in the INVOICE HISTORY section. Click on the little arrow and it will open the invoice